Home / 11,976,905.86-17,965,502.79-3,340,480.63

Finding the Fourth Proportional to 11,976,905.86, 17,965,502.79 and 3,340,480.63

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Solution

The fourth proportional to 11,976,905.86, 17,965,502.79 and 3,340,480.63 is: 5,010,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976,905.86 : 17,965,502.79 = 3,340,480.63 : x
  2. Step 2: Convert to fraction form
    11,976,905.86/17,965,502.79 = 3,340,480.63/x
  3. Step 3: Cross multiply
    11,976,905.86x = 17,965,502.79 × 3,340,480.63
  4. Step 4: Simplify right side
    11,976,905.86x = 60,013,414,078,205.95
  5. Step 5: Solve for x
    x = 60,013,414,078,205.95/11,976,905.86
  6. Step 6: Final answer
    x = 5,010,761.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.